What does "Economy" fare mean? | ItaliaRail FAQ

What does "Economy" fare mean?

The fare rules are as follows:

Only one reservation change permitted per ticket, by upgrading to a normal fare of the same train type; and only up to two hours before train departure. Any difference in price from original ticket price is payable at the time of change. Custom seat selection is not available when making a change. Type: Non-refundable.